Blue Sea Systems 9002e e-Series Battery Switch Selector with Alternator Field Disconnect is a Blue Sea Systems battery switch built for battery isolation and onboard power control. Designed for marine environments, it supports reliable performance, clean installation, and long service life in demanding onboard electrical systems.
9002e e-Series Battery Switch Selector with Alternator Field Disconnect Features: Switches isolated battery banks to all loads or combines battery banks to all loads Includes AFD (Alternator Field Disconnect) Make-before-break contact design allows switching between battery banks without power interruption Ignition protected—safe for installation aboard gasoline powered boats Case design allows surface or rear panel mounting Includes: AFD (Alternator Field Disconnect) CE Marked Ignition protecte
This component is suited for boat electrical upgrades, repairs, and new installations where dependable power management and serviceability matter.
Ideal for builders, refit projects, and serious boat owners who want marine-grade electrical hardware from a trusted brand.
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